Home / 7,190,966.43-9,923,474.70-3,927,783.24

Finding the Fourth Proportional to 7,190,966.43, 9,923,474.70 and 3,927,783.24

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Solution

The fourth proportional to 7,190,966.43, 9,923,474.70 and 3,927,783.24 is: 5,420,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,966.43 : 9,923,474.70 = 3,927,783.24 : x
  2. Step 2: Convert to fraction form
    7,190,966.43/9,923,474.70 = 3,927,783.24/x
  3. Step 3: Cross multiply
    7,190,966.43x = 9,923,474.70 × 3,927,783.24
  4. Step 4: Simplify right side
    7,190,966.43x = 38,977,257,609,224.02
  5. Step 5: Solve for x
    x = 38,977,257,609,224.02/7,190,966.43
  6. Step 6: Final answer
    x = 5,420,308.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.